I know that it will be difficult to pick him out in such a crowd, but if you __
题型：不详难度：来源：
I know that it will be difficult to pick him out in such a crowd, but if you ________ happen to see him, give him this packet.| A．would | B．might | | C．should | D．could |
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答案
| C |
解析
| C 考察情态动词。If+主语+should+动词原形，是一个真实条件句。常常用于礼貌地请求和建议。故C正确。 |
举一反三
—Why does Thomas speak through every discussion but never listen to the others?
—That"s what he ________ do. We used to hate that, but are used to it now.| A．ought to | B．can | | C．will | D．might |
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One of our rules is that every student ________ wear the school uniform while at school.| A．might | B．could | | C．shall | D．will |
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| We can"t use it to tie the goods because it ________ be broken at the weakest position. |
—May I smoke here?
—If you ________， choose a seat in the smoking section.| A．should | B．could | | C．must | D．may |
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No matter how healthy you ________ be, you need to consult a doctor from time to time.| A．should | B．will | | C．must | D．may |
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